class: title-slide, center <!-- see for helpful tips: https://nbisweden.github.io/raukrtemplate/presentation_demo.html#1 https://github.com/yihui/xaringan/wiki --> # Les Cheneaux Island and Saginaw Bay cisco project update </br> ## Todd Hayden, Chris Holbrook, Dave Fielder, Kevin McDonnell, Tom Binder, Aaron Fisk .center[<img src="data:image/png;base64,#../data/cisco_drawing.png" width="40%" height="40%"/>] <div class="flex2"> <img src="data:image/png;base64,#../docs/MSU.png" width="10%" height="10%"/> <img src="data:image/png;base64,#../docs/USGS.png" width="12%" height="12%"/> <img src="data:image/png;base64,#../docs/dnr.png" width="7%" height="7%"/> <img src="data:image/png;base64,#../docs/US-FWS-logo.png" width="6%" height="6%"/> <img src="data:image/png;base64,#../docs/logo_transparent.png" width="10%" height="10%"/> <img src="data:image/png;base64,#../docs/RAEONCrest_black.png" width="6%" height="6%"/> </div> --- class: top, center # History .left-column[ .left[ - 2019 autumn ] ] .right-column[ .left[ - 100 tags, tagged 42 Hessel, 7 Government Bay - 120 receiver array ] .left[ <img src="data:image/png;base64,#../docs/full_array.png" width="70%" height="70%"/> ] ] --- class: top, center # History .left-column[ - .left[2019 autumn] - .left[2020 winter] ] .right-column[ .left[ - tagged 39 cisco, gill nets under ice .left[ <div class="flex2"> <img src="data:image/png;base64,#../docs/ice_shanty_cisco_tagging_winter.JPG" width="50%" height="50%"/> <img src="data:image/png;base64,#../docs/inside_ice_shanty_cisco_tagging_winter.JPG" width="25%" height="25%"/> </div> ] ] ] --- class: top, center # History .left-column[ - .left[2019 autumn] - .left[2020 winter] - .left[2020 autumn] ] .right-column[ .left[ - 100 new tags, 12 leftover, tagged 60 fish Government Bay, 9 fish Hessel ] .left[ <video width="570" height="470" autoplay loop muted> <source src="../docs/tagged_cisco_in_recovery_01_cholbrook_20181108.mp4" type="video/mp4"/> </video> ] ] --- class: top, center # History .left-column[ - .left[2019 autumn] - .left[2020 winter] - .left[2020 autumn] - .left[2021 autumn] ] .right-column[ .left[ - Tagged 48, Government Bay - All tags in fish! ] .left[ <img src="data:image/png;base64,#../docs/cisco_efish_boat_LesCheneaux_cholbrook_20181108.JPG" width="65%" height="65%"/> ] ] --- class: top, center # Objectives .left[ - Describe habitat use and estimate proportion of cisco that move to main basin of Lake Huron - Determine timing and spatial extent of post-spawning movements - Determine annual survival and spawning site fidelity - Determine timing of movement onto spawning grounds ] .center[ <img src="data:image/png;base64,#../output/gif/bubble_ani.gif" width="50%" height="50%"/> ] --- class: top, center # Depth and Temperature experience .pull-left[ <img src="data:image/png;base64,#../output/grouped_boxplot_depth.png" width="100%" height="100%"/> ] .pull-right[ <img src="data:image/png;base64,#../output/temperature_boxplot.png" width="100%" height="100%"/> ] --- class: top, center # Conclusions .left[ - Extensive movements, main basin- summer/autumn - Overwinter in islands - Depth experienced: 0-30 m, median 7-11 m - fish suspended during summer (movement offshore) - Temperature range (median 0-20 C) - Cailin Burnmaster (U Windsor)- MS project ] <center> <img src="data:image/png;base64,#../docs/cisco_sampling_20171114_180542.jpg", width="30%" height="30%"/> </center> --- class: title-slide, center <!-- see for helpful tips: https://nbisweden.github.io/raukrtemplate/presentation_demo.html#1 https://github.com/yihui/xaringan/wiki --> # Movement and survival of hatchery juvenile cisco in Saginaw Bay </br> ## Todd Hayden, Chris Holbrook, Tom Binder, Andrew Honsey, Roger Gordon, Kevin McDonnell, Dave Fielder, Aaron Fisk .center[<img src="data:image/png;base64,#../data/cisco_drawing.png" width="30%" height="30%"/>] <div class="flex2"> <img src="data:image/png;base64,#../docs/MSU.png" width="10%" height="10%"/> <img src="data:image/png;base64,#../docs/USGS.png" width="12%" height="12%"/> <img src="data:image/png;base64,#../docs/dnr.png" width="7%" height="7%"/> <img src="data:image/png;base64,#../docs/US-FWS-logo.png" width="6%" height="6%"/> <img src="data:image/png;base64,#../docs/logo_transparent.png" width="10%" height="10%"/> <img src="data:image/png;base64,#../docs/RAEONCrest_black.png" width="6%" height="6%"/> </div> --- class: top, center # Can juvenile cisco be tagged? .left[ - 2020 pilot tagging study (HBBS) - 75% survival 3 weeks - V5-180kHz tags fit (fish ~140 mm TL) - 2021 GLFC Pilot Project ~$20K - 60 receiver array in Saginaw Bay - 26 V5D-180 kHz tags (13 mm L x 6 mm D, 0.64 g) - Tags broadcast ~110 seconds, battery life ~139 days ] # Objectives .left[ - Determine proportion of hatchery reared juvenile cisco that disperse 4 km from release location in 4 weeks - Dispersal coincide with changes in water temperature or current - Determine proportion of cisco consumed by predators ] --- class: top, center # Methods .left[ ## Tagging - September 20, 2021, Jordan River National Fish Hatchery (N = 26, 150-175 mm TL ) - Fish released in Saginaw Bay- October 9, 2021 - "Predation" tags- detect and count time since eaten by predator ## Receiver deployment - 60 Vemco VR2W-180 receivers (September-December 2021) - Water depth- 1 to ~15 m - 500 m receiver spacing ] --- class: top, center # Receiver array <iframe src="https://haydento.github.io/index.html" width="100%" height="400px" data-external="1"></iframe> --- class: top, center # Juvenile movements <video width="45%" height="45%" controls loop> <source src="../output/juv_cisco.mp4" type="video/mp4"/> </video> --- class: top, center # Juvenile cisco detections and predation .center[<img src="data:image/png;base64,#../output/cum_dtc_pred.png" width="75%" height="75%"/>] --- class: top, center # Conclusions .left[ - Rapid dispersal - 7 known predation events (out of 26 fish, survival 73%, 15 days) - Most left array after 5-6 days (October 15) - Receiver array active October - December - False negative predation events? - 100% survived tagging, transport, release - Analyses ongoing, Next step? ]